logo

For the Inventor, By the Inventor

Kawasaki, Japan

Junichi Kitabayashi

This inventor holds 15 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Optical Devices. Top assignee: Ricoh Company, Ltd.. Active years: 1987-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Kitabayashi. Retrieved from https://idiyas.com/inventor/junichi-kitabayashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 73.3

 

Average Co-Inventor Count = 2.0

ph-index = 8

Forward Citations = 177(Granted Patents)


Location History:

  • Machida, JP (1987 - 1988)
  • Tokyo, JP (1988)
  • Kawasaki, JP (1991 - 1996)
  • Kanagawa, JP (2007 - 2018)

Company Filing History:

goldMedal15 out of 28,977 
 
Ricoh Company, Ltd.
 patents

Years Active: 1987-2018

Loading Chart...
Loading Chart...
Areas of Expertise:
Light Irradiation Device
Optical Detector Unit
Tilt Sensor
Diffraction Grating
Optical Pick-Up System
Focus Error Signal
Optomagnetic Recording
Image Processing
Wavefront Measurement
Aspheric Surface Measurement
Optical Information Recording
Focusing Method
15 patents (USPTO):Explore Patents
1. 10073333 - Light irradiation device, and image display equipped with the same, for emitting light of two or more components by laser light (2018-09-11),
2. 8174952 - Light source unit, optical detector unit, optical pickup device, and optical disk device (2012-05-08),
3. 7577076 - Tilt sensor using diffraction grating (2009-08-18),
4. 7164532 - Diffraction grating, light source unit applying the same therein, and optical head device employing the same (2007-01-16),
5. 5487058 - Optical pick-up system with improved light-convergence construction (1996-01-23),
6. 5281802 - Focus error signal detection device with separating prism (1994-01-25),
7. 5278817 - Optical pick-up for use with an opto-magnetic signal (1994-01-11),
8. 5144684 - Parallel image processing apparatus using edge detection layer (1992-09-01),
9. 5115423 - Optomagnetic recording/reproducing apparatus (1992-05-19),
10. 5101389 - Optical information recording/reproducing apparatus (1992-03-31),
11. 5015835 - Optical information reading and writing device with diffraction means (1991-05-14),
12. 4744659 - Method of and apparatus for measuring the shape of a wavefront (1988-05-17),
13. 4743118 - Method of detecting origin of shear and measuring amount of shear in (1988-05-10),
14. 4743117 - Device for optically measuring aspheric surface (1988-05-10),
15. 4653923 - Focusing method for interferometer (1987-03-31),

Title: Junichi Kitabayashi: Innovator in Light Irradiation Technology

Introduction

Junichi Kitabayashi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical technology, holding a total of 15 patents. His work primarily focuses on light irradiation devices and image display technologies.

Latest Patents

Among his latest innovations is a light irradiation device designed for emitting light of two or more components using laser light. This device includes a diffusion optical path change member that converts a first color component of the laser light into diffusion light while altering its optical path. Additionally, it features a phosphor that generates fluorescence of a second color component, which is different from the first, based on the laser light. The device also incorporates an optical path switch member that allows for the selection between two optical paths for emitting the respective color components.

Another notable patent involves a light source unit that consists of multiple light sources emitting various light beams. This unit is equipped with several volume hologram elements, each tailored to the specific light sources. These elements are designed to maximize the optical intensity of the diffracted light beam under different Bragg conditions.

Career Highlights

Junichi Kitabayashi is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of optical technologies. His work has significantly advanced the capabilities of light irradiation devices, making them more efficient and versatile.

Collaborations

Throughout his career, Kitabayashi has collaborated with notable colleagues, including Shigeru Ohuchida and Hideo Maeda. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Junichi Kitabayashi's contributions to optical technology through his numerous patents highlight his role as a leading inventor in the industry. His innovative designs and collaborative efforts continue to shape the future of light irradiation devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…